Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4181 |
| Number of amino acids: | 473 |
| Molecular Weight: | 54182.82 Da |
| Theoretical pI: | 7.21 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 30 | 6.34% |
| Cysteine CYS (C) | 12 | 2.54% |
| Glutamic Acid GLU (E) | 33 | 6.98% |
| Aspartic Acid ASP (D) | 21 | 4.44% |
| Glycine GLY (G) | 24 | 5.07% |
| Phynylalanine PHE (F) | 23 | 4.86% |
| Isoleucine ILE (I) | 25 | 5.29% |
| Histidine HIS (H) | 9 | 1.9% |
| Lysine LYS (K) | 33 | 6.98% |
| Methionine MET (M) | 16 | 3.38% |
| Leucine LEU (L) | 32 | 6.77% |
| Asparagine ASN (N) | 28 | 5.92% |
| Glutamine GLN (Q) | 17 | 3.59% |
| Proline PRO (P) | 21 | 4.44% |
| Serine SER (S) | 34 | 7.19% |
| Arginine ARG (R) | 21 | 4.44% |
| Threonine THR (T) | 29 | 6.13% |
| Tryptophan TRP (W) | 9 | 1.9% |
| Valine VAL (V) | 32 | 6.77% |
| Tyrosine TYR (Y) | 24 | 5.07% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2425 |
| Hydrogen | H | 3727 |
| Nitrogen | N | 641 |
| Oxygen | O | 714 |
| Sulphur | S | 28 |
| Formula | C2425H3727N641O714S28 |
| Total Number of Atoms: | 7535 |
| Total number of positively charged residues (ARG + LYS): | 54 |
| Total number of negatively charged residues (ASP + GLU): | 54 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 86010 Absorption 0.1% (=1 g/l) 1.587, assuming all pairs of CYS residues form cystines Ext. coefficient 85260 Absorption 0.1% (=1 g/l) 1.574, assuming all CYS residues are reduced |
| Aromaticity: | 0.118 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.18 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.66, 22.62, 23.47] Amino acids in helix: V, I, Y, F, W, L || Amino acids in turn: N, P, G, S || Amino acids in sheet: E, M, A, L |
| Aliphatic index: | 72.9598 |
| Grand average of hydropathicity (GRAVY): | -0.38 |